Variations and its types

The differences that are found between the individuals of same species are called variation. It is very difficult to find out two individuals exactly similar in the nature. It may be harmful, useless and useful. Harmful or useless variations make individuals unfit for struggle for existence, whereas the useful variations are quite significant and make … Read more

Some important terms used in genetics

Some important terms used in genetics

Important terminologies Genes: Genes are small sections or segments of DNA, called cistrons within the genome that code for proteins. It determines particular character of an organism. It is a hereditary unit which is transmitted from one generation to another. Locus: It is a particular position or place where gene is located on a chromosome. … Read more

Differences between mitosis and meiosis

S.N                        Mitosis         Meiosis 1. It occurs in somatic cells. It occurs in sex cells. 2. Two daughter cells are produced. Four daughter cells are produced. 3. Each daughter cell contains diploid chromosomes. Each daughter cell contains haploid chromosomes. 4 No … Read more